Document Type : Original Article
Authors
1
epartment of Food Hygiene, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
2
Department of Food Hygiene and Public Health, Faculty of Veterinary Medicine, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
3
Department of Microbiology, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
4
Department of Food Hygiene, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
Abstract
Acinetobacterbaumannii is a newly-launched bacterium responsible for rare cases of diarrhea and foodborne diseases. This survey was performed to study the prevalence and antimicrobial resistance of A. baumannii isolates recovered from fish, shrimp, and lobster. Five-hundred seafood samples were collected and cultured for isolation of A. baumannii. A. baumannii isolates were identified by biochemical tests and further confirmed by the PCR. The antimicrobial resistance of isolates was studied using disk diffusion test. Twenty-eight out of 500 (5.6%) seafood samples were contaminated with A. baumannii. Fish had the highest prevalence of A. baumannii (10%), while lobster had the lowest (2.5%). A. baumannii isolates harbored the highest incidence of resistance toward tetracycline (75%), gentamicin (71.4%), ciprofloxacin (64.2%), trimethoprim (57.1%), streptomycin (53.5%), and erythromycin (50%) antimicrobial agents. The lowest incidence of resistance was obtained against chloramphenicol (3.5%) and imipenem (7.1%) antimicrobial agents. This is the first report of isolation and identification and antimicrobial resistance pattern of A. baumannii in seafood samples globally. The role of seafood samples as reservoirs of antimicrobial-resistant A. baumannii was determined. Complete cooking of seafood and prevention from their consumption in raw form can diminish the risk of A. baumannii foodborne diseases.
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